Correct answer: Rd31...f2 2.B:e2# 1...Qd3 2.B:d3# 1.B:a1?? (2.Rd4#) but 1...Bg7! 1.Q:f3?? (2.Rd4#/Qc3#/Qb3#/Q:e2#/B:e2#) 1...a4/Rb1 2.B